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2009 Results: Castro Valley, California

This town report includes all data submitted to the town and to all postal codes associated with the town.

Other years: 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012


Species [taxonomic]
[alphabetic]
Number of Birds   Number of Checklists
Reporting the Species
Canada Goose 46       3      
Gadwall 1       1      
Mallard 138       3      
Northern Shoveler 2       1      
Canvasback 2       1      
Ring-necked Duck 10       1      
Ruddy Duck 91       3      
Wild Turkey 10       1      
Pied-billed Grebe 2       1      
Eared Grebe 1       1      
Western Grebe 2       1      
Double-crested Cormorant 1       1      
American White Pelican 3       2      
Great Blue Heron 2       1      
Snowy Egret 1       1      
Turkey Vulture 8       5      
Osprey 1       1      
Sharp-shinned Hawk 1       1      
Red-shouldered Hawk 3       3      
Red-tailed Hawk 3       1      
American Kestrel 1       1      
American Coot 13       2      
Killdeer 3       1      
Mourning Dove 21       8      
Anna's Hummingbird 8       3      
Allen's Hummingbird 2       2      
Nuttall's Woodpecker 6       4      
Downy Woodpecker 1       1      
Northern Flicker 3       2      
Black Phoebe 3       2      
Steller's Jay 2       1      
Western Scrub-Jay 19       7      
American Crow 12       2      
Common Raven 5       4      
Tree Swallow 36       1      
Chestnut-backed Chickadee 38       10      
Oak Titmouse 9       6      
Bushtit 24       2      
Red-breasted Nuthatch 8       6      
Brown Creeper 2       2      
Bewick's Wren 14       2      
Golden-crowned Kinglet 1       1      
Ruby-crowned Kinglet 4       1      
Wrentit 3       1      
Hermit Thrush 4       2      
American Robin 20       4      
Varied Thrush 8       1      
European Starling 1       1      
Yellow-rumped Warbler 3       2      
Townsend's Warbler 1       1      
Spotted Towhee 20       7      
California Towhee 23       10      
Fox Sparrow 8       4      
Song Sparrow 7       4      
White-throated Sparrow 2       1      
White-crowned Sparrow 11       5      
Golden-crowned Sparrow 35       5      
Dark-eyed Junco 32       8      
Purple Finch 16       4      
House Finch 31       7      
Pine Siskin 3       2      
Lesser Goldfinch 59       9      
American Goldfinch 19       7      
Total 869             

A total of 63 species were reported.

See a summary for California.

This report was updated 15-Jan-2013 09:05 ET.